ACS Catalysis,
Journal Year:
2022,
Volume and Issue:
12(21), P. 13506 - 13512
Published: Oct. 20, 2022
Structural
evolution
of
heterogeneous
catalysts
often
occurs
during
catalytic
reactions.
In
this
contribution,
the
structural
a
PtMn/SiO2
catalyst
reverse
water-gas
shift
(RWGS)
reaction
was
investigated
using
detailed
spectroscopic
characterizations.
The
results
show
that
Mn
atoms
on
PtMn
nanoparticle
surface
were
partially
removed
RWGS
reaction,
which
increases
ratio
Pt
sites
with
lower
coordination
number
surface,
leading
to
10-fold
increase
rate
in
n-C4H10
dehydrogenation
from
1.85
21.93
mol
gPt–1
h–1
and
decrease
apparent
activation
energy
50
33
kJ
mol–1.
This
work
provides
dimension
improving
performance
alkane
over
Pt-based
bimetallic
through
CO2
hydrogenation.
ACS Catalysis,
Journal Year:
2022,
Volume and Issue:
12(21), P. 13506 - 13512
Published: Oct. 20, 2022
Structural
evolution
of
heterogeneous
catalysts
often
occurs
during
catalytic
reactions.
In
this
contribution,
the
structural
a
PtMn/SiO2
catalyst
reverse
water-gas
shift
(RWGS)
reaction
was
investigated
using
detailed
spectroscopic
characterizations.
The
results
show
that
Mn
atoms
on
PtMn
nanoparticle
surface
were
partially
removed
RWGS
reaction,
which
increases
ratio
Pt
sites
with
lower
coordination
number
surface,
leading
to
10-fold
increase
rate
in
n-C4H10
dehydrogenation
from
1.85
21.93
mol
gPt–1
h–1
and
decrease
apparent
activation
energy
50
33
kJ
mol–1.
This
work
provides
dimension
improving
performance
alkane
over
Pt-based
bimetallic
through
CO2
hydrogenation.